{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xe3a1ed48b8a53770e80c53adbc95028bfaafa516a36b2f3eaaad8c2fee2ebd98",
    "signature": "0x49cd81aad823caf9610e1e23a4332f6105b249e891612c7cc00c3bf6bf1296232b3e9a6b25c6e431d48a48ec7010c39d732d35be77b042ca2e740f4e3840455c1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}